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Arsenic(V) removal from underground water by magnetic nanoparticles synthesized from waste red mud
Scopus
Toplam 145 atıf DOI
In this study waste red mud (bauxite residue) sample obtained from Seydişehir (Konya, Turkey) was evaluated for the synthesis of Fe3O4 nanoparticles (NPs) in ammonia solution that can be used to remove As(V) from both synthetic and natural underground water samples. The synthesized Fe3O4-NPs were characterized by using TEM, VSM, XRD, SAXS, TGA and FT-IR spectroscopy. The Fe3O4-NPs assumed a near-sphere shape with an average size of 9nm. The results showed that synthesized Fe3O4-NPs from waste red mud have satisfactory magnetic properties and As(V) sorption capacity, especially at low equilibrium arsenate concentrations. © 2012 Elsevier B.V.
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Removal of Rhodamine B from water by using CdTeSe quantum dot-cellulose membrane composites
Scopus
Havuzumuzda 29 atıf almış
Facilitated transport of Rhodamine B through a novel polymer inclusion membrane (PIM) containing CdTeSe Quantum Dots (QDs) as a carrier reagent has been investigated. The prepared PIM was characterized with Fourier transform infrared (FT-IR) spectroscopy, Atomic Force Microscopy (AFM), confocal microscopy, X-ray Photoelectron Spectroscopy (XPS) and fluorescence spectroscopy (PL) techniques and contact angle measurements. The transport was observed by the increased absorbance peak of the stripping phase by UV-visible and fluorescence spectrophotometer. The transport efficiency of Rhodamine B was observed to be 60% after 6 h under optimized conditions. When the feed phase contained 0.005% Rhodamine B at pH 12.19, Rhodamine B was transported through the PIM (prepared with 0.1% CdTeSe QDs) by using 1 M HCl as a stripping phase. The results also showed that the transport efficiency of the PIM was reproducible and it could be beneficial in long-term separation processes.
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Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey